diff --git a/os/get-pxe.sh b/os/get-pxe.sh
index 8e7b2d5..fed7585 100644
--- a/os/get-pxe.sh
+++ b/os/get-pxe.sh
@@ -20,6 +20,7 @@ yum install -y dhcp tftp tftp-server syslinux wget vsftpd pykickstart
 # 配置dhcp
 color Info "配置dhcp"
 ipaddr=$(ip -4 -f inet a show dev ens33 | awk '/inet/{print $2}')
+gateway=$(ip r show dev ens33 | awk '/default via/{print $3}')
 cat > /etc/dhcp/dhcpd.conf << EOF
 ddns-update-style interim;
 ignore client-updates;
@@ -32,9 +33,9 @@ allow unknown-clients;
  subnet ${ipaddr%.*}.0 netmask 255.255.255.0 
 {
    range ${ipaddr%.*}.100 ${ipaddr%.*}.200;
-   option domain-name-servers ${ipaddr%.*}.1;
+   option domain-name-servers ${gateway};
    option domain-name "server1.example.com";
-   option routers ${ipaddr%.*}.1;
+   option routers ${gateway};
    option broadcast-address ${ipaddr%.*}.255;
    default-lease-time 600;
    max-lease-time 7200;
@@ -117,7 +118,13 @@ cat > /var/ftp/pub/ks.cfg <<EOF
 %end
 
 %post
-# curl -s -L https://download.beyourself.org.cn/shell-project/os/get-os-init.sh | sh
+sed -i 's/#UseDNS.*/UseDNS=no/g' /etc/ssh/sshd_config
+ #curl -s -L https://download.beyourself.org.cn/shell-project/os/get-os-init.sh | sh
+ #yum install -y python3 python3-devel gcc
+ #curl -s -L https://download.beyourself.org.cn/python-project/os/jumpserver-register.py -o /opt/jumpserver-register.py
+ #pip3 install requests  httpsig -i https://mirrors.aliyun.com/pypi/simple
+ #python3 /opt/jumpserver-register.py `ip -4 -f inet a show dev ens33 | awk '/inet/{print $2}' | cut -d'/' -f 1` 192.168.96.180 47849e56-81b5-4fe6-a7d4-7d7578abfc32 ab17fa93-8f4f-4547-802f-be81a6197937 d6638212-8896-4596-9b30-ec0e5aa5905c 9ead5ec2-ba29-4b0a-b4d1-75657eec4306
+
 %end
 EOF
 
@@ -138,4 +145,4 @@ EOF
 # 启动服务
 color Info "启动服务"
 systemctl enable dhcpd vsftpd tftp
-systemctl restart dhcpd vsftpd tftp
\ No newline at end of file
+systemctl restart dhcpd vsftpd tftp